Acute gastroenteritis is an acute inflammation of the mucous membrane of the gastrointestinal tract, mainly manifested as abdominal pain, nausea, vomiting, diarrhea and so on. Generally before the onset of the disease often have irregular diet, overeating, eating raw, cold, unclean food caused by. Pay attention to rest, to continue to eat, because often eat bad things stomach pain, will be more or less diarrhea, diarrhea will lead to the loss of body nutrients, dehydration, then you can eat easily digestible food, such as rice porridge or egg custard class to supplement nutrition. Diarrhea often also causes mild dehydration, so you can take oral glucose to replenish the water. It is important to keep the abdomen warm, avoid getting cold, and eat a light diet. If the situation does not ease and continues to worsen, you need to go to the hospital for further treatment.